/* Dynamically calculate Order Form Values depending on Quantity */


function startCalc(){
  interval = setInterval("calc()",1);
}
function calc(){
  ssh = 0;
  sh2 = 0;
  ppp = 19.95;
  one = document.dynatabSumForm.qt.value;
  if (one >  500)  {ppp = 14.95}    
  if (one <= 500)  {ppp = 15.95}    
  if (one <= 400)  {ppp = 16.45}    
  if (one <= 300)  {ppp = 17.95}    
  if (one <= 200)  {ppp = 18.95}      
  if (one <= 100)  {ppp = 19.95} 
  two = (one * ppp);  
  document.dynatabSumForm.ppp.value = ppp 
  document.dynatabSumForm.amt1.value = Math.round(100*two)/100
  if (one > 1) {
    ssh = (one - 1)
    sh2 = (ssh * 2.49)
  }	
  document.dynatabSumForm.sh.value   = Math.round(100*sh2)/100
  gtot = (two + sh2)
  document.dynatabSumForm.amt2.value = Math.round(100*gtot)/100;
}
function stopCalc(){
  clearInterval(interval);
}